Who should I keep fantasy football (only pick 1)?

I honestly wouldn't keep any of them. Green-Ellis is not a RB for keepers. He wont score TDs that much when running or receiving. And usually he gets more yards receiving than running each game. Smith I wouldn't waste saving and giving up a 8th round pick for. Especially if you can get a decent WR that round. Shorts is a decent WR but if he stays with the Jags he isn't going to get many yards each year. But he would be the only one I would save. And Wilson is a par QB. But he does have good stats but he wont get you anything each week. Look at 2 weeks ago when they crushed Arizona 58 - 0 He only had 1 TD and threw for 148 yards. Now that's embarrassing for a qb. And he also throws mainly to one or two players so they will always be double covered and chance of getting fantasy points deducted because of Interceptions. Good luck.